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Finding the Third Proportional to 13,980,825.56 and 18,888,971.34

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Solution

The third proportional to 13,980,825.56 and 18,888,971.34 is: 25,520,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,825.56 : 18,888,971.34 = 18,888,971.34 : x
  2. Step 2: Convert to fraction form
    13,980,825.56/18,888,971.34 = 18,888,971.34/x
  3. Step 3: Cross multiply
    13,980,825.56x = 18,888,971.34 × 18,888,971.34
  4. Step 4: Simplify right side
    13,980,825.56x = 356,793,238,425,008.69
  5. Step 5: Solve for x
    x = 356,793,238,425,008.69/13,980,825.56
  6. Step 6: Final answer
    x = 25,520,183.83

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.